Hadith 19017
It is narrated from Hazrat Abdullah bin Malik (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said regarding a slave woman: If she commits adultery, then flog her; if she does it again, then flog her; on the third or fourth time, he said: then sell her, even if you have to sell her for a rope.
Hadith 19018
It is narrated from Hazrat Abdullah bin Malik (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said regarding a slave woman: If she commits adultery, then flog her; if she does it again, then flog her; on the third or fourth time, he said: then sell her, even if you have to sell her for a rope.